I finally got around to trying to fix this issue, but have not been successful.
the rear mech is offset by one gear and I can’t get it to go to the top cog, it says it’s in 1 in etube, but it’s really in 2 etc.
I’m no better off
Originally Posted by
TerryDi2C
I was going to reply to this and then for some reason I decided not to. But here I am!
Let's try to fix this ;-)
I think the first thing I would do would be to connect the bike to a windows computer, start e-tube project for windows and then check the current RD adjustment setting. I would reset that to '0' and start over.
Also, e-tube project will tell you (if you go to RD adjustment) what gear it thinks the rear derailleur is in. Double check this to make sure yours isn't offset by one gear somehow.
It shifting onto the 11T is not something that would worry me. The feature that blocks the smallest sprockets (Gear Position Control) can be disabled and is only enabled for some cassette / chain ring combinations anyway
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If it has worked just fine until last week I would also double check the rear derailleur hanger. A Di2 bike doesn't really go 'off' on its own.